21140024

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{71419}}^1$

素因数の和:71462

約数の個数: 16

約数和(自身を含む): 40709400

約数和(自身を除く): 19569376

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 71419, 142838, 285676, 571352, 2642503, 5285006, 10570012, 21140024]

約数ペア:

[(1, 21140024), (2, 10570012), (4, 5285006), (8, 2642503), (37, 571352), (74, 285676), (148, 142838), (296, 71419)]